Home / 5,486.20-8,229.09-2,198.41

Finding the Fourth Proportional to 5,486.20, 8,229.09 and 2,198.41

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Solution

The fourth proportional to 5,486.20, 8,229.09 and 2,198.41 is: 3,297.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.20 : 8,229.09 = 2,198.41 : x
  2. Step 2: Convert to fraction form
    5,486.20/8,229.09 = 2,198.41/x
  3. Step 3: Cross multiply
    5,486.20x = 8,229.09 × 2,198.41
  4. Step 4: Simplify right side
    5,486.20x = 18,090,913.75
  5. Step 5: Solve for x
    x = 18,090,913.75/5,486.20
  6. Step 6: Final answer
    x = 3,297.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.